{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["member collection", "instrument agency", "product producer", "entity destination"], "input": "the inhabitants send messages to each other by placing the message in a capsule and placing the capsule in a message tube ."}
{"member collection": [], "instrument agency": [], "product producer": [], "entity destination": [{"subject": "capsule", "object": "tube"}]}